Home / 76,378.04-114,552.23-38,417.19

Finding the Fourth Proportional to 76,378.04, 114,552.23 and 38,417.19

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Solution

The fourth proportional to 76,378.04, 114,552.23 and 38,417.19 is: 57,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,378.04 : 114,552.23 = 38,417.19 : x
  2. Step 2: Convert to fraction form
    76,378.04/114,552.23 = 38,417.19/x
  3. Step 3: Cross multiply
    76,378.04x = 114,552.23 × 38,417.19
  4. Step 4: Simplify right side
    76,378.04x = 4,400,774,592.75
  5. Step 5: Solve for x
    x = 4,400,774,592.75/76,378.04
  6. Step 6: Final answer
    x = 57,618.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.